A pin-connected structure is supported and loaded as shown below. Member ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.2. A concentrated load of P= 25 kips acts on the structure at D. Determine: (a) the normal stresses in both bars (1) and (2). (b) the downward deflection of point D on the rigid bar
A pin-connected structure is supported and loaded as shown below. Member ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.2. A concentrated load of P= 25 kips acts on the structure at D. Determine: (a) the normal stresses in both bars (1) and (2). (b) the downward deflection of point D on the rigid bar
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A pin-connected structure is supported and loaded as shown below. Member
ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2)
are both made from steel [E = 30,000 ksi] and both have a cross-sectional
area of 1.25 in.2. A concentrated load of P = 25 kips acts on the structure at
D.
Determine:
(a) the normal stresses in both bars (1) and (2).
(b) the downward deflection of point D on the rigid bar
120 in.
80 in.
(1)
C
D
66 in.
102 in.
44 in.
P](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc5e28d22-ca18-4e59-a60a-bf4a57052394%2F20eae2b0-90bb-4a2c-aa51-0a1ad7f59e5a%2F9s4fl9n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A pin-connected structure is supported and loaded as shown below. Member
ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2)
are both made from steel [E = 30,000 ksi] and both have a cross-sectional
area of 1.25 in.2. A concentrated load of P = 25 kips acts on the structure at
D.
Determine:
(a) the normal stresses in both bars (1) and (2).
(b) the downward deflection of point D on the rigid bar
120 in.
80 in.
(1)
C
D
66 in.
102 in.
44 in.
P
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